vidguyz
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Sep 17, 2005, 2:34 AM
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I'm about half way through our little 30 minute science fiction short and one of the scenes will be a Professor walking across a campus on a long straight concrete concourse. Using my home made dolly (which works excellent) and 40' of track, I'll be leading the Professor on the walk. In other words as he is walking at X speed, I'll be moving the dolly at x- speed, which means he'll catch up to the dolly by the time the 40' is up. OK .. that part I got figured out using some algebra  (my teacher would've been proud - but that was 30 years ago). We will then cut to some other campus shots as we re-lay the 40' track for the next leg of the campus walk, then return to this dolly shot.
My issue is I want to maximize my depth of field for this shoot ... allowing the students crossing to/fro and behind/past the Professor as he walks. I want them out of focus as early as possible and in focus as they pass that depth of field zone, then out of focus again. I also have a sequence where, as the Prof. is walking towards me, his assistant will pass notice him walking by, he will pass her, then she will jump up from the bench, come from behind then around him and catch up to him. Obviously, she will be in focus as she is astride him, but that will only occur after she is beyond the 'focus' area.
Confusing? Gawd, try writing it down as I'm doing. Understand what I'm up to ? OK, my question is ... to achieve this do I want my F-stop number to be HIGH (smaller aperature) and my shutter speed high, or do I want - well, WHAT would be the best settings to achieve this ?
BTW, this shoot we're doing Wednesday is not the real shoot - it's the 'See if I can get the shot right' shoot and will also be a non-dress rehearsal for the talent.
Tell ya - when I jump in I jump in with both feet and dont' think about the mud I might get stuck in - I just do it.
Any suggestions or formulas for the best way to handle this ? BTW - the weather will be sunny with light clouds, the sun will be straight up as we're shooting at noonish.
Uhh, I hope I've covered everything.
Thanks
vidguyz
(This post was edited by vidguyz on Sep 17, 2005, 2:36 AM)
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